Jerry Koosman Signed MLB Baseball w/ "'69 WS Games 2+5 Wins" Insc

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Jerry Koosman has hand-signed this MLB baseball and inscribed it 69 WS Games 2+5 Wins-Jerry Koosman pitched for the New York Mets for twelve years winning 140 games with an E.R.A. just above 3. This Jerry Koosman autograph is Guaranteed Authentic by Steiner Sports and include a Steiner Sports Certificate of Authenticity and an accompanying tamper-proof Steiner Hologram. The Steiner Seal Means It's Real.